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Human FUS (RNA-binding protein FUS) ELISA Kit (HUFI03021)

SKU:
HUFI03021
Product Type:
ELISA Kit
Size:
96 Assays
Uniprot:
P35637
Sensitivity:
46.875pg/ml
Range:
78.125-5000pg/ml
ELISA Type:
Sandwich
Synonyms:
75 kDa DNA-pairing protein, Oncogene FUS, Oncogene TLS, POMp75, Translocated in liposarcoma protein, TLS
Reactivity:
Human
€599
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Description

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Human FUS (RNA-binding protein FUS) ELISA Kit

The Human FUS (RNA Binding Protein FUS) ELISA Kit is specifically designed for the precise and efficient detection of FUS levels in human serum, plasma, and cell culture supernatants. This kit offers exceptional sensitivity and specificity, ensuring accurate and consistent results that are essential for various research applications.FUS is a critical protein that plays a key role in RNA processing and transport, making it vital for proper cellular function. Dysregulation of FUS has been linked to various neurological disorders such as amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD), highlighting the importance of studying its levels for better understanding these conditions and potentially developing therapeutic interventions.

With its reliable performance and comprehensive applications, the Human FUS ELISA Kit is an indispensable tool for researchers in the field of neurology and molecular biology.

Product Name:Human FUS(RNA-binding protein FUS) ELISA Kit
Product Code:HUFI03021
Size:96 Assays
Alias:75 kDa DNA-pairing protein, Oncogene FUS, Oncogene TLS, POMp75, Translocated in liposarcoma protein, TLS
Detection method:Sandwich ELISA, Double Antibody
Application:This immunoassay kit allows for the in vitro quantitative determination of Human FUS concentrations in serum plasma and other biological fluids.
Sensitivity:46.875pg/ml
Range:78.125-5000pg/ml
Storage:4°C for 6 months
Note:For Research Use Only
Recovery:Matrices listed below were spiked with certain level of Human FUS and the recovery rates were calculated by comparing the measured value to the expected amount of Human FUS in samples.
MatrixRecovery range(%)Average(%)
serum(n=5)85-9892
EDTA plasma(n=5)88-9893
UFH plasma(n=5)90-10596
Linearity:The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Human FUS and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.
Sample1:21:41:8
serum(n=5)87-105%87-104%92-99%
EDTA plasma(n=5)89-99%82-100%83-98%
UFH plasma(n=5)80-95%81-95%81-97%
CV(%):Intra-Assay: CV<8%
Inter-Assay: CV<10%
ComponentQuantityStorage
ELISA Microplate (Dismountable)8×12 strips4°C for 6 months
Lyophilized Standard24°C/-20°C
Sample/Standard Dilution Buffer20ml4°C
Biotin-labeled Antibody(Concentrated)120ul4°C (Protect from light)
Antibody Dilution Buffer10ml4°C
HRP-Streptavidin Conjugate(SABC)120ul4°C (Protect from light)
SABC Dilution Buffer10ml4°C
TMB Substrate10ml4°C (Protect from light)
Stop Solution10ml4°C
Wash Buffer(25X)30ml4°C
Plate Sealer5-

Other materials and equipment required:

  • Microplate reader with 450 nm wavelength filter
  • Multichannel Pipette, Pipette, microcentrifuge tubes and disposable pipette tips
  • Incubator
  • Deionized or distilled water
  • Absorbent paper
  • Buffer resevoir
UniprotP35637
UniProt Protein Function:hnRNP P2: Binds both single-stranded and double-stranded DNA and promotes ATP-independent annealing of complementary single- stranded DNAs and D-loop formation in superhelical double-stranded DNA. May play a role in maintenance of genomic integrity. Component of nuclear riboprotein complexes. Interacts with ILF3, TDRD3 and SF1. Interacts through its C-terminus with SFRS13A. Interacts with OTUB1 and SARNP. Ubiquitous. Belongs to the RRM TET family. 2 isoforms of the human protein are produced by alternative splicing.
UniProt Protein Details:Protein type:Oncoprotein; RNA-binding; Nuclear receptor co-regulator; DNA-binding; RNA splicing

Chromosomal Location of Human Ortholog: 16p11.2

Cellular Component: nucleoplasm; cytoplasm; nucleus

Molecular Function:identical protein binding; protein binding; DNA binding; zinc ion binding; RNA binding; nucleotide binding

Biological Process: nuclear mRNA splicing, via spliceosome; RNA splicing; gene expression

Disease: Amyotrophic Lateral Sclerosis 6, With Or Without Frontotemporal Dementia; Tremor, Hereditary Essential, 4

NCBI Summary:This gene encodes a multifunctional protein component of the heterogeneous nuclear ribonucleoprotein (hnRNP) complex. The hnRNP complex is involved in pre-mRNA splicing and the export of fully processed mRNA to the cytoplasm. This protein belongs to the FET family of RNA-binding proteins which have been implicated in cellular processes that include regulation of gene expression, maintenance of genomic integrity and mRNA/microRNA processing. Alternative splicing results in multiple transcript variants. Defects in this gene result in amyotrophic lateral sclerosis type 6. [provided by RefSeq, Sep 2009]
UniProt Code:P35637
NCBI GenInfo Identifier:544357
NCBI Gene ID:2521
NCBI Accession:P35637.1
UniProt Secondary Accession:P35637,Q9H4A8,
UniProt Related Accession:P35637
Molecular Weight:Calculated MW: 53kDaObserved MW: 70kDa
NCBI Full Name:RNA-binding protein FUS
NCBI Synonym Full Names:FUS RNA binding protein
NCBI Official Symbol:FUS  
NCBI Official Synonym Symbols:TLS; ALS6; ETM4; FUS1; POMP75; HNRNPP2  
NCBI Protein Information:RNA-binding protein FUS; oncogene FUS; oncogene TLS; fus-like protein; fused in sarcoma; 75 kDa DNA-pairing protein; fusion gene in myxoid liposarcoma; translocated in liposarcoma protein; heterogeneous nuclear ribonucleoprotein P2
UniProt Protein Name:RNA-binding protein FUS
UniProt Synonym Protein Names:75 kDa DNA-pairing protein; Oncogene FUS; Oncogene TLS; POMp75; Translocated in liposarcoma protein
Protein Family:Fusion protein
UniProt Gene Name:FUS  
UniProt Entry Name:FUS_HUMAN

*Note: Protocols are specific to each batch/lot. For the correct instructions please follow the protocol included in your kit.

Before adding to wells, equilibrate the SABC working solution and TMB substrate for at least 30 min at 37°C. When diluting samples and reagents, they must be mixed completely and evenly. It is recommended to plot a standard curve for each test.

StepProtocol
1.Set standard, test sample and control (zero) wells on the pre-coated plate respectively, and then, record their positions. It is recommended to measure each standard and sample in duplicate. Wash plate 2 times before adding standard, sample and control (zero) wells!
2.Aliquot 0.1ml standard solutions into the standard wells.
3.Add 0.1 ml of Sample / Standard dilution buffer into the control (zero) well.
4.Add 0.1 ml of properly diluted sample ( Human serum, plasma, tissue homogenates and other biological fluids.) into test sample wells.
5.Seal the plate with a cover and incubate at 37 °C for 90 min.
6.Remove the cover and discard the plate content, clap the plate on the absorbent filter papers or other absorbent material. Do NOT let the wells completely dry at any time. Wash plate X2.
7.Add 0.1 ml of Biotin- detection antibody working solution into the above wells (standard, test sample & zero wells). Add the solution at the bottom of each well without touching the side wall.
8.Seal the plate with a cover and incubate at 37°C for 60 min.
9.Remove the cover, and wash plate 3 times with Wash buffer. Let wash buffer rest in wells for 1 min between each wash.
10.Add 0.1 ml of SABC working solution into each well, cover the plate and incubate at 37°C for 30 min.
11.Remove the cover and wash plate 5 times with Wash buffer, and each time let the wash buffer stay in the wells for 1-2 min.
12.Add 90 µl of TMB substrate into each well, cover the plate and incubate at 37°C in dark within 10-20 min. (Note: This incubation time is for reference use only, the optimal time should be determined by end user.) And the shades of blue can be seen in the first 3-4 wells (with most concentrated standard solutions), the other wells show no obvious color.
13.Add 50 µl of Stop solution into each well and mix thoroughly. The color changes into yellow immediately.
14. Read the O.D. absorbance at 450 nm in a microplate reader immediately after adding the stop solution.

When carrying out an ELISA assay it is important to prepare your samples in order to achieve the best possible results. Below we have a list of procedures for the preparation of samples for different sample types.

Sample TypeProtocol
SerumIf using serum separator tubes, allow samples to clot for 30 minutes at room temperature. Centrifuge for 10 minutes at 1,000x g. Collect the serum fraction and assay promptly or aliquot and store the samples at -80°C. Avoid multiple freeze-thaw cycles.

If serum separator tubes are not being used, allow samples to clot overnight at 2-8°C. Centrifuge for 10 minutes at 1,000x g. Remove serum and assay promptly or aliquot and store the samples at -80°C. Avoid multiple freeze-thaw cycles.

PlasmaCollect plasma using EDTA or heparin as an anticoagulant. Centrifuge samples at 4°C for 15 mins at 1000 × g within 30 mins of collection. Collect the plasma fraction and assay promptly or aliquot and store the samples at -80°C. Avoid multiple freeze-thaw cycles. Note: Over haemolysed samples are not suitable for use with this kit.
Urine & Cerebrospinal FluidCollect the urine (mid-stream) in a sterile container, centrifuge for 20 mins at 2000-3000 rpm. Remove supernatant and assay immediately. If any precipitation is detected, repeat the centrifugation step. A similar protocol can be used for cerebrospinal fluid.
Cell culture supernatantCollect the cell culture media by pipette, followed by centrifugation at 4°C for 20 mins at 1500 rpm. Collect the clear supernatant and assay immediately.
Cell lysatesSolubilize cells in lysis buffer and allow to sit on ice for 30 minutes. Centrifuge tubes at 14,000 x g for 5 minutes to remove insoluble material. Aliquot the supernatant into a new tube and discard the remaining whole cell extract. Quantify total protein concentration using a total protein assay. Assay immediately or aliquot and store at ≤ -20 °C.
Tissue homogenatesThe preparation of tissue homogenates will vary depending upon tissue type. Rinse tissue with 1X PBS to remove excess blood & homogenize in 20ml of 1X PBS (including protease inhibitors) and store overnight at ≤ -20°C. Two freeze-thaw cycles are required to break the cell membranes. To further disrupt the cell membranes you can sonicate the samples. Centrifuge homogenates for 5 mins at 5000xg. Remove the supernatant and assay immediately or aliquot and store at -20°C or -80°C.
Tissue lysatesRinse tissue with PBS, cut into 1-2 mm pieces, and homogenize with a tissue homogenizer in PBS. Add an equal volume of RIPA buffer containing protease inhibitors and lyse tissues at room temperature for 30 minutes with gentle agitation. Centrifuge to remove debris. Quantify total protein concentration using a total protein assay. Assay immediately or aliquot and store at ≤ -20 °C.
Breast MilkCollect milk samples and centrifuge at 10,000 x g for 60 min at 4°C. Aliquot the supernatant and assay. For long term use, store samples at -80°C. Minimize freeze/thaw cycles.

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